1.Preheat oven to 375 degrees F. In a stand or electric mixer, cream the butter, peanut butter, and sugars until creamy. Add egg and vanilla until well combined.

2.Place flour, baking soda, baking powder, and salt into a large bowl, stir to combine. Slowly add dry ingredients to wet ingredients on low speed, then add whoppers until just combined.

3. Scoop dough with a medium cookie scoop, roll into sugar then place onto a parchment or silpat lined baking sheet. Bake for 8-10 minutes, until cooked but still soft.

4. Let cool

5. Spread frosting between 2 cookies and enjoy.